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Finding the Fourth Proportional to 81,873.33, 122,796.27 and 22,714.98

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Solution

The fourth proportional to 81,873.33, 122,796.27 and 22,714.98 is: 34,068.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,873.33 : 122,796.27 = 22,714.98 : x
  2. Step 2: Convert to fraction form
    81,873.33/122,796.27 = 22,714.98/x
  3. Step 3: Cross multiply
    81,873.33x = 122,796.27 × 22,714.98
  4. Step 4: Simplify right side
    81,873.33x = 2,789,314,817.12
  5. Step 5: Solve for x
    x = 2,789,314,817.12/81,873.33
  6. Step 6: Final answer
    x = 34,068.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.